TECHSHIP IS A GLOBAL SUPPLIER OF WIRELESS COMPONENTS
This document provides information about the major functions, supported services, system architecture, and technical references of MS2131i-8 HSPA+ USB Stick(hereinafter referred to as the MS2131i-8).
This document describes the MS2131's hardware specifications, port design requirements, design guide, and working principles. The next five chapters describe the MS2131's specifications and design requirements of its host. Chapter 6 to Chapter 9 provide details of the MS2131's working principles and design guides. Chapter 10 introduces the MS2131's electrical features and reliability.
Upon learning this document, you will understand the MS2131's port standards, electricity supply characteristics, design requirements, and product information. The document provides you reference for related design.
This document describes the specifications of the interfaces between the mobile equipment (ME) and the terminal equipment (TE). The specifications of the following items of AT commands used to query and set basic information, process short message (SM) services and data services, set security, process phone books, and configure the system are described:
Formats of AT commands
Values of the parameters in AT commands
Usage of some AT commands
Process for using AT commands.
This document provides reference scenarios where customers select appropriate command sequences to use the terminal. Examples and descriptions of the reference scenarios are also included.
This document mainly describes the power supply design for Huawei modules. This document also provides Huawei modules' requirements for power supplies, which can be used as reference for designing power supplies for Huawei modules. This document is composed of four chapters:
Power Supply Requirements
Power Supply Design Requirements
External Power Supply Circuits
Recommendations for the Layout and Routing of External Power Supply Circuits